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Very nice results for this RMS Stage 2 supercharged E39 M5 that belongs to Buckhead Imports Performance. The vehicle dyno'd an impressive 535 wheel horsepower on a Dyno Dynamics and ran the 1/4 mile in 11.7@122. We must say it is very nice to finally see some positive results with RMS built/tuned hardware on the E39 M5. This supercharger kit will eventually be on sale to the public and we will bring you more details then as this is a promising start. Enjoy the pictures and video below.

Hey Chris,What is the bronze/brass thin on the main supercharger bracket? Also, what tools do you use to do CFD/flow testing of the new intake, if any?

That brass piece is a slide style belt tensioner.

We have not done any flow testing on this manifold yet. We are still compiling all the data and we will publish it soon. I do know that the manifold will not be the limiting factor of this kit. We have an M5 here running a V7 YSi at full capacity and the only limiting factor right now is the blower.

Keep in mind, this was Jason's first time at the drag strip with this car. This car has some much quicker times in it. Notice all the wheel spin in the video. With a proper tire/suspension setup this car can run way faster in the 1/4.

We have not done any flow testing on this manifold yet. We are still compiling all the data and we will publish it soon. I do know that the manifold will not be the limiting factor of this kit. We have an M5 here running a V7 YSi at full capacity and the only limiting factor right now is the blower.

No, Osh tuned this M5. Actually, he flew out to Buckhead Performance to tune this M5 and help Tony learn how to tune these cars. When I say "these Cars" I mean the e39 M5 supercharged cars. They are going to become our East Coast Distributor/Tuner.

Keep in mind, this was Jason's first time at the drag strip with this car. This car has some much quicker times in it. Notice all the wheel spin in the video. With a proper tire/suspension setup this car can run way faster in the 1/4.

I could tell, hopefully ya'll will keep it up and show us what it'll lay down when the weather is just right and the set up is perfect. I have a feeling it could go a good bit faster/quicker